[ di:hʌɪ'dreɪt , -'hʌɪdreɪt ]
■ verb [often as adjective ~d ] lose or cause to lose a large amount of water.
↘remove water from (food) in order to preserve it.
Derivatives
dehydration noun
dehydrator noun
Origin
C19: from de- + Gk hudros , hudr- 'water'.